OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

NET $307.50 Put

NET261030P00307500

Latest saved OI12Oct 23, 2026
Last change+4vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
NET $307.50 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 1260 2026-10-15: 0 OI2026-10-16: 3 OI2026-10-21: 8 OI2026-10-23: 12 OI Oct 15, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12+4
Oct 21, 20268+5
Oct 16, 20263+3
Oct 15, 20260No prior observation